The answer
A modal component with a backdrop, a focus trap that cycles focus within the modal, escape to close, and return focus to the trigger on close. This is critical for accessibility and a common interview question.
Sample Machine Coding Interview Questions With Approach
How do I build a modal with focus trap in React?
More FAQs in Sample Machine Coding Interview Questions With Approach
Build a tabs component, an autocomplete search, a nested comments section, a todo list with filters, and a modal with focus trap. These cover the common patterns: interactive components, search, nested data, filters, and modals.
An input with debounced search, a dropdown of suggestions, keyboard navigation with up and down arrows, and selection on Enter. Filter the data source on the query, and handle loading and empty states.
A recursive Comment component that renders replies as nested Comment components, with replies and likes. Store comments in a tree, and manage state for adding new comments and replies.
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